Billy Boat C5 Corvette Shorty Headers
Marking the sixth generation of its legacy, the 2005 Chevrolet Corvette delivers more power, passion and precision to reach a new standard of performance car excellence. It will be introduced at the North American International Auto Show in Detroit in January 2004, with production slated to begin in the third quarter. A convertible version will be unveiled in the first half of 2004, with its production beginning in fall 2004.
Z51 Performance Package. The Z51 Performance Package brings Corvette Coupe performance very close to the same level as the widely admired Z06. The Z51 offers more aggressive dampers and springs, larger stabilizer bars, and larger, cross-drilled brake rotors for optimum track performance capability while still providing a well-controlled and comfortable ride. Extensive racetrack testing reveals that a C6 equipped with the Z51 suspension almost equals the lap time of a C5 Z06 - marking a major advance in the overall performance of a Corvette Coupe by nearly approximating the extreme performance capabilities of the vaunted Z06 at a remarkable value
Corvette engineers thoroughly revised the Tremec gear box and added proprietary technology not offered on other automakers' high-performance transmissions. The six-speed transmission also has revised gearing when selected with the Z51 performance option. With the Z51, the Tremec is tailored with numerically higher gears to improve acceleration. Also, a lower fifth gear gives the Z51 better fuel efficiency and a higher top speed than base models. To increase durability in sustained high-speed situations, the Z51 and the base European manual-transmission models have a transmission cooler.
Built entirely of T-304 stainless steel, Billy Boat Performance Exhaust Short Headers for the C-5 Corvette are direct replacement parts for the factory equipment. Billy Boat Performance Exhuast is the originator of the LS1 short header. Longer, equal length primary tubes increase performance and throttle response and large diameter 1.75" primary tubes improve flow. Unlike most header manufacturers who settle for an open collector, Billy Boat Performance Exhaust hand builds each of its 4-into-1 merged collectors for the best performance possible. In addition to a performance increase of 10 rear wheel horsepower, Billy Boat Performance Exhuast's Shorty Headers weigh 15.3 pounds, that is less than half the weight of the heavy OEM cast iron manifolds.
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